[Xen-users] Re: Is there something missing for my NIC passthough?

[lei yang <yanglei.fage@xxxxxxxxx>]

On Fri, May 28, 2010 at 3:18 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

On Fri, May 28, 2010 at 03:16:20PM +0800, lei yang wrote:
>      >    lo        Link encap:Local Loopback
>      >    Â Â Â Â Â Â Â Â Â  LOOPBACKÂ  MTU:16436Â  Metric:1
>      >    Â Â Â Â Â Â Â Â Â  RX packets:0 errors:0 dropped:0 overruns:0
>      frame:0
>      >    Â Â Â Â Â Â Â Â Â  TX packets:0 errors:0 dropped:0 overruns:0
>      carrier:0
>      >    Â Â Â Â Â Â Â Â Â  collisions:0 txqueuelen:0
>      >    Â Â Â Â Â Â Â Â Â  RX bytes:0 (0.0 b)Â  TX bytes:0 (0.0 b)
>      >    [7]root@localhost:/root> lspci
>      >    [8]root@localhost:/root>
>      >    Â
>      >
>
>      Does your domU kernel have xen-pcifront driver? is it loaded?
>      that's required for PCI passthrough to PV guests.
>

>      Note that upstream ([1]kernel.org) kernels don't yet have xen-pcifront
>      included.
>
>    My kernel is from [2]kernel.org the latest version, if I use this version

>    to do my pci ehternet pci passthough
>    How can I do it?
>

So you're missing xen-pcifront (and swiotlb) support. That's your problem.

http://wiki.xensource.com/xenwiki/XenPCIpassthrough

Instructions there about how to get a kernel with xen-pcifront and swiotlb.

Thanks, I had saw this page, Unfortunately, that patch is just support 2.6.32 ore 2.6.33


Lei

-- Pasi

-- 
"We learn from failure, not from success!"
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